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2nd Workshop
International Oxy-Combustion Research Network Hilton Garden Inn Windsor, CT, USA
25th and 26th January 2007
Hosted by:
Alstom Power Inc.
PRESENTATION - 22
The Saskatchewan Advantage:SaskPower Clean Coal Project Update
by: Bob Stobbs SaskPower, Canada
2nd Int'l Oxy-Combustion Workshop Page 1
SaskPower Clean Coal Project Update
2007 Jan 26
Bob Stobbs, P.Eng.SaskPower
The Saskatchewan
Advantage
IEA International Oxy-Combustion NetworkWindsor, CT
Presentation Overview
OpportunityEconomicsSustainabilityTechnologyPlan Forward
2nd Int'l Oxy-Combustion Workshop Page 2
Power Generating Facilities in SaskatchewanDecember 2006
CAPACITY NET MW
SaskPower Facilities: Coal 1,653 Hydro 853 Natural Gas 538 Wind (Cypress) 11 SaskPower Total 3,055
Independent Power Producers (IPP):
Meridian (Natural Gas) 211 Cory (Natural Gas) 228 SunBridge (Wind) 11 IPP Subtotal 450
SaskPower – Total Capacity Available December 31, 2005
3,505
Centennial Wind Facility - completed Spring 2006
150
Total Capacity Available 2006 3,655
2006 Generation CapacityAvailable (net MW)
Coal 45% Natural Gas 15%Hydro 23% Wind 5%Purchase Power 12%
Record System Peak Load:2,960 MW (net) Nov 29, 2006
CentennialWind Power Facility
150 MW
Number of Customers 444,000
Transmission Interconnection Capacity
600 MW
With: Manitoba Hydro 300 MW Basin Electric (North Dakota)
150 MW
Alberta (D.C.converter) 150 MW
Converging Issues
300 MW (near) Zero Emissions Pulverized Coal Plant in 2011?
Capacity Need
Legislated Requirement to Serve
Fuel Availability
Environmental Stewardship
Kyoto Protocol
Proven Sequestration Effectiveness
Value for CO2
Fed/Prov Cooperation (MOU)
Technical/Financial Capacity
Work of the PTRC, SRC, ITC
The Saskatchewan Advantage
2nd Int'l Oxy-Combustion Workshop Page 3
+300 MW +2 x 300 MW
SHALLOW COAL BEARING FORMATIONS
IMPERMEABLE FORMATIONS
DEEP OIL/GAS BEARING GEOLOGICAL FORMATIONS
CARBON AS COAL
CARBON AS CO2 (GAS)
ELECTRICITY
(CO2 released to atmoshpere is considered a climate altering greenhouse gas)
CONVENTIONAL COAL POWER PLANT
2nd Int'l Oxy-Combustion Workshop Page 4
SHALLOW COAL BEARING FORMATIONS
IMPERMEABLE FORMATIONS
DEEP OIL/GAS BEARING GEOLOGICAL FORMATIONS
CARBON AS COAL
CARBON AS CO2 (LIQUID)
ELECTRICITY
SaskPower's CLEAN COAL POWER PLANT
Saskatchewan
Shand Power StationPoplar River
Power Station (future)
Lignite
2nd Int'l Oxy-Combustion Workshop Page 5
LigniteOil (Williston Basin)
Poplar River Power Station
Shand Power StationWorld’s largest, full-scale,
in-field MMV (Measurement, Monitor and Verification) study with EOR
Weyburn Pool Production History
0
5
10
15
20
25
30
35
40
45
1955 1965 1975 1985 1995 2005 2015
Bar
rel/D
ay (t
hous
ands
)
WaterfloodInfillHz DrillingCO2 Flood
Economic Opportunity
2nd Int'l Oxy-Combustion Workshop Page 6
SHALLOW COAL BEARING FORMATIONS
IMPERMEABLE FORMATIONS
DEEP OIL/GAS BEARING GEOLOGICAL FORMATIONS
CARBON AS COAL
CARBON AS CO2 (LIQUID)
ELECTRICITY
SaskPower's CLEAN COAL POWER PLANT
OIL
With Cogeneration of CO2
Economics
2nd Int'l Oxy-Combustion Workshop Page 7
Two Product Streams:
Electricity:Evaluated by internal procedures
CO2 for Enhanced Oil Recovery:Evaluated by contracts in place as of June 2007
Preliminary Cost Comparison 300 MW Base Load
Clean Coal, no GHG regulations
Com
plia
ntC
oalN
Gas
C C
Cos
t of E
lect
ricity
($/M
Wh)
CO2 Sale Price ($/T)
GHG Tax???
Cle
an C
oal
2nd Int'l Oxy-Combustion Workshop Page 8
Precommittment Engineering Priority
Cle
an C
oal
Com
plia
ntC
oal
N G
as C
C
Cos
t of E
lect
ricity
($/M
Wh)
CO2 Sale Price ($/T)
Confirm
Confirm
Commit ?
Sustainability and Environmental Performance
2nd Int'l Oxy-Combustion Workshop Page 9
Mine Operation
ELECTRICITYProduced
OIL
CO2 Flood Operation
COAL
Overall COAL to OIL Process
1 Tonne Coal 0.8 MWh 2 to 10 barrels Oil
OIL IN PLACE
Produces +
ENERGY BALANCE
1 Tonne Coal 0.8 MWh 2 to 10 barrels Oil
OIL IN PLACE
Produces +
Energy Out:0.8 MWh = + 3 GJ (electrical)
2 to 10 bbl = + 12 to 60 GJ (fossil)
1 Tonne = - 13 GJ (fossil)Energy In:
Net Energy Produced: + 2 to 50 GJ (elect & fossil)
2nd Int'l Oxy-Combustion Workshop Page 10
Net Emissions Impact
1 Barrel Weyburn Crude: Equivalent to 1.0 GHG unit
OIL IN PLACE
Offsets or
1.3 to 1.4 GHG equivalents Saudi oil
1.9 GHG equivalents Alberta Oil Sands
Near Zero emissions electricity plus:
100 Years of Progress in Reducing Emissions Intensity
SaskPower Clean Coal
Unit
5
4
3
2
1
0
kg C
O2
/ kW
h
1920 1940 1960 1980 2000 2020
2nd Int'l Oxy-Combustion Workshop Page 11
Technology
COMPLIANCE COAL UNIT
CaSO4.H2O(Gypsum)
COAL
FILTER
FURNACE
Waste Storage
AIR HTR
Feedwater Heating
Loop
ASH, Water, Trace Hg Water,
Traces Ash, SO4
Activated Carbon
FGD
Limestone
Gypsum Disposal or Wallboard Plant
COAL
N2, CO2,WaterTraces
Nox,Traces SO2
STACK
AIR SEPARATION UNIT
N2
SaskPower Oxyfuel ProcessSaskPower Oxyfuel Process
95+% CO2
Traces:N2, NOx,
CO2
PERMANENT GEOLOGICAL STORAGE
COMP-RESSOR
Hg in Carbon to Disposal
AIR
Syn AIR
O2
2nd Int'l Oxy-Combustion Workshop Page 12
Shand Site Rendering
Contract Strategy
Synthetic Air Boiler – Babcock & WilcoxAir Separation Unit – Air LiquideCompression & Purification Unit – Air LiquideSteam Turbine Generator-Marubeni/HitachiOwner’s Engineer – Neill & GunterBalance of Plant - TBA
2nd Int'l Oxy-Combustion Workshop Page 13
Project Proposal
The SaskPower Clean Coal Project Proposal (end June 2007) will include:
Business Case Analyses addressing cost, risk and revenue expectationsProvisional Equipment and Construction Contracts for immediate acceptanceProvisional CO2 sales agreements for immediate acceptanceProject Execution Plan
Path Forward
2nd Int'l Oxy-Combustion Workshop Page 14
SaskPower’s Supply Decision
M A M J J A S O N D J F M A M J J2006 2007
Cost & Risk Analyses
Electric Prod’n Value
Lifecycle Cost Model
CO2 Sale Agreements, Term Sheets Offtaker Agreements
Coal Supply Agreements Formal Contract
Other Electric Supply Options
Plant Technical Definition
Base Load Supply Recommendation
Clean Coal Project
Clean Coal Project
Proposal
Alternative Supplies
Approve Clean Coal
Project?no
Accept Alternative
which may be
Develop Conventional Coal Option
Execute Plan
yes
2nd Int'l Oxy-Combustion Workshop Page 15
300 MW (near) Zero Emissions Pulverized Coal Plant in 2011?
The Saskatchewan OpportunityEnvironmentally and
Economically Sustainable Electricity Supply
On-going and Enhanced Coal Royalties
Leading Edge Clean Coal Technologies to a Huge World Market
International Clean Coal Engineering & Technology Center
Expansion of In-Province Manufacturing Commitment
Economic Spin-offs from Project Construction
Enhanced Oil Production
QUESTIONS?
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